From d713260f1a2d509bbff23ea6e3acc174f6e6753a Mon Sep 17 00:00:00 2001
From: John Spray <john@neon.tech>
Date: Mon, 10 Feb 2025 14:00:52 +0100
Subject: [PATCH] pageserver: don't try and ingest `XLOG_CHECKPOINT_SHUTDOWN`
 on nonzero shards

---
 pageserver/src/walingest.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pageserver/src/walingest.rs b/pageserver/src/walingest.rs
index 04edb3e3f4..c776405c35 100644
--- a/pageserver/src/walingest.rs
+++ b/pageserver/src/walingest.rs
@@ -1157,6 +1157,7 @@ impl WalIngest {
                 // See also the neon code changes in the InitWalRecovery() function.
                 if xlog_checkpoint.oldestActiveXid == pg_constants::INVALID_TRANSACTION_ID
                     && info == pg_constants::XLOG_CHECKPOINT_SHUTDOWN
+                    && self.shard.is_shard_zero()
                 {
                     let oldest_active_xid = if pg_version >= 17 {
                         let mut oldest_active_full_xid = cp.nextXid.value;